The persistence of mom chimps playing with their babies, even in times of food scarcity, is crucial for their development.

Researchers have found evidence that apes and chimps have the longest nonhuman memory ever recorded.

Female humans and some whales aren't the only mammals to go through menopause. A new study finds wild chimpanzees do, too.

A new hypothesis 'raises the possibility that romantic love in humans finds its origin in same-sex friendships of apes."

Like humans, chimps can combine words into phrases to communicate more meaning. What's more, other chimps can understand those combinations.

Researchers are using genetic information from western chimpanzees in Guinea to evaluate the effects of mining on the endangered species.

Like some teenagers, young chimps are willing to take a risk on the possibility of a big payout. Adult apes are more likely to hedge bets.

Chimpanzees eat more than fruit. When they're on the hunt for meat, researchers have found their barks bring other chimps to close in on their prey.

Experiments with chimpanzees trying to figure out how to crack open nuts on their own suggest they may learn cultural behaviors from others like humans do.

If you're a male chimp looking for love—or offspring—it pays to make friends with other males.